/*===== GOOGLE FONTS =====*/

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');
/*===== VARIABLES CSS =====*/

:root {
    --header-height: 3rem;
    --font-semi: 600;
}

:root {
    --hue-color: 224;
    /* ①0是红色 120是绿色 240是蓝色  ②饱和度 ③亮度*/
    /*Purple 250 - Green 142 - Blue 230 - Pink 340*/
    /* HSL color mode */
    --first-color: hsl(var(--hue-color), 89%, 60%);
    --first-color-alt: hsl(var(--hue-color), 100%, 50%);
    --first-color-lighter: hsl(var(--hue-color), 92%, 85%);
    /* --first-color: #4070F4; */
    --second-color: #0e2431;
    --body-color: hsl(var(--hue-color), 60%, 99%);
}

:root {
    --body-font: 'Poppins', sans-serif;
    --big-font-size: 2rem;
    --h2-font-size: 1.25rem;
    --normal-font-size: 0.938rem;
}

@media screen and (min-width: 768px) {
    :root {
        --big-font-size: 3.5rem;
        --h2-font-size: 2rem;
        --normal-font-size: 1rem;
    }
}

:root {
    --mb-1: 0.5rem;
    --mb-2: 1rem;
    --mb-3: 1.5rem;
    --mb-4: 2rem;
    --mb-5: 2.5rem;
    --mb-6: 3rem;
}

/*===== z index =====*/

:root {
    --z-back: -10;
    --z-normal: 1;
    --z-tooltip: 10;
    --z-fixed: 100;
}

/*===== BASE =====*/

*,
::before,
::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: var(--header-height) 0 0 0;
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    color: var(--second-color);
    background-color: var(--body-color);
}

h1,
h2,
p {
    margin: 0;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/*===== CLASS CSS ===== */

.section-title {
    position: relative;
    font-size: var(--h2-font-size);
    color: var(--first-color);
    margin-top: var(--mb-2);
    margin-bottom: var(--mb-4);
    text-align: center;
}

.section-title::after {
    position: absolute;
    content: '';
    width: 64px;
    height: 0.18rem;
    left: 0;
    right: 0;
    margin: auto;
    top: 2rem;
    background-color: var(--first-color);
}

.section {
    padding-top: 3rem;
    padding-bottom: 2rem;
}

/*===== LAYOUT =====*/

.bd-grid {
    max-width: 1024px;
    display: grid;
    grid-template-columns: 100%;
    grid-column-gap: 2rem;
    width: calc(100% - 2rem);
    margin-left: var(--mb-2);
    margin-right: var(--mb-2);
}

.l-header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-fixed);
    background-color: #fff;
    box-shadow: 0 1px 4px rgba(146, 161, 176, 0.15);
}

/*===== NAV =====*/

.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: var(--font-semi);
}

@media screen and (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 80%;
        height: 100%;
        padding: 2rem;
        background-color: var(--second-color);
        transition: 0.5s;
    }
}

.nav__item {
    margin-bottom: var(--mb-4);
}

.nav__link {
    position: relative;
    color: #fff;
}

.nav__link:hover {
    position: relative;
}

.nav__link:hover::after {
    position: absolute;
    content: '';
    width: 100%;
    height: 0.18rem;
    left: 0;
    top: 2rem;
    background-color: var(--first-color);
}

.nav__logo {
    color: var(--second-color);
}

.nav__toggle {
    color: var(--second-color);
    font-size: 1.5rem;
    cursor: pointer;
}

/*Active menu*/

.active::after {
    position: absolute;
    content: '';
    width: 100%;
    height: 0.18rem;
    left: 0;
    top: 2rem;
    background-color: var(--first-color);
}

/*=== Show menu ===*/

.show {
    right: 0;
}

/*===== HOME =====*/

.home {
    height: calc(100vh - 3rem);
    row-gap: 1rem;
}

.home__data {
    align-self: center;
}

.home__title {
    font-size: var(--big-font-size);
    margin-bottom: var(--mb-5);
}

.home__title-color {
    color: var(--first-color);
}

.home__social {
    display: flex;
    flex-direction: column;
}

.home__social-icon {
    width: max-content;
    margin-bottom: var(--mb-2);
    font-size: 2rem;
}

div.home__social a.home__social-icon i.iconfont {
    font-size: 1.5rem;
    color: var(--second-color);
}

.home__social-icon:hover {
    color: var(--first-color);
}

.home__img {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 295px;
    /* background-color: blue; */
}
.home_blob {
    fill: var(--first-color);
    max-width: 295px;
}

.home_blob-img {
    width: 140px;
}
/*BUTTONS*/

.button {
    display: inline-block;
    background-color: var(--first-color);
    color: #fff;
    padding: 0.75rem 2.5rem;
    font-weight: var(--font-semi);
    border-radius: 0.5rem;
}

.button:hover {
    box-shadow: 0 10px 36px rgba(0, 0, 0, 0.15);
    background-color: var(--first-color-alt);
}

/* ===== ABOUT =====*/

.about__container {
    row-gap: 2rem;
    text-align: center;
}

.about__subtitle {
    margin-bottom: var(--mb-2);
}

.about__img {
    justify-self: center;
}

.about__img img {
    border-radius: 0.5rem;
}

/* ===== SKILLS =====*/

.skills__container {
    row-gap: 2rem;
    text-align: center;
}

.skills__subtitle {
    margin-bottom: var(--mb-2);
}

.skills_header {
    display: flex;
    align-items: center;
    gap: 0.2rem;
}

.skills_header .skills_arrow {
    color: var(--first-color);
    font-weight: 500;
    font-size: 1.8rem;
}

.skills_header .icon-code,
.skills_header .icon-server-3 {
    font-size: 2rem;
    color: var(--first-color);
    font-weight: 500;
    margin-right: 0.25rem;
}

.skills_header .icon-server-3 {
    font-size: 1.5rem;
    margin-left: 0.1rem;
    font-weight: 700;
    margin-right: 0.6rem;
}

div.skills_header i.skills_arrow {
    margin-left: auto;
    color: var(--first-color-lighter);
    transition: 0.3s ease;
    cursor: pointer;
}

.skills__text {
    margin-bottom: var(--mb-4);
}

.skills_info {
    height: 3rem;
    transition: 0.5s ease;
    margin-bottom: var(--mb-1);
    margin-left: 2rem;
}

.skills__data {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    font-weight: var(--font-semi);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
}

i.skills__icon {
    font-size: 2rem;
    margin-right: var(--mb-2);
    color: var(--first-color);
}

.skills__names {
    display: flex;
    align-items: center;
}

.bar_box,
.skills__bar {
    height: 0.25rem;
    border-radius: 0.5rem;
}

.bar_box {
    background-color: var(--first-color-lighter);
}

.skills__bar {
    background-color: var(--first-color);
}

.skills__html {
    width: 95%;
}

.skills__css {
    width: 85%;
}

.skills__js {
    width: 65%;
}

.skills__vue {
    width: 85%;
}

.skills__elem {
    width: 75%;
}

.skills__node {
    width: 65%;
}

.skills__koa {
    width: 65%;
}

.skills__db {
    width: 65%;
}

.skills__img {
    border-radius: 0.5rem;
}

div.skills_close i.skills_arrow {
    color: var(--first-color);
    transform: rotate(180deg);
}

div.skills_close .skills_info {
    height: 0;
    overflow: hidden;
    margin-bottom: 0;
}

/* ===== WORK =====*/

.work__container {
    row-gap: 2rem;
    /* place-items: center; */
}
.item-img {
    width: 530px;
    height: 530px;
}
.work__image {
    box-shadow: 0 4px 25px rgba(14, 36, 49, 0.15);
    border-radius: 0.5rem;
    overflow: hidden;
}
.work__image img {
    transition: 1s;
    cursor: pointer;
}

.work__image img:hover {
    transform: scale(1.1);
}

.pc {
    display: none;
}

/* ===== FOOTER =====*/

.footer {
    background-color: var(--second-color);
    color: #fff;
    text-align: center;
    font-weight: var(--font-semi);
    padding: 2rem 0;
}

.footer__title {
    font-size: 2rem;
    margin-bottom: var(--mb-4);
}

.footer__social {
    margin-bottom: var(--mb-4);
}

.footer__icon {
    font-size: 2rem;
    color: #fff;
    margin: 0 var(--mb-2);
}

.footer__icon i.iconfont {
    font-size: 2rem;
}

.footer__icon i.iconfont.icon-gitee {
    font-size: 1.5rem;
    position: relative;
    bottom: 0.2rem;
}

/* ===== MEDIA QUERIES=====*/

@media screen and (min-width: 768px) {
    body {
        margin: 0;
    }
    .section {
        padding-top: 4rem;
        padding-bottom: 3rem;
    }
    .section-title {
        margin-bottom: var(--mb-6);
    }
    .section-title::after {
        width: 80px;
        top: 3rem;
    }
    .nav {
        height: calc(var(--header-height) + 1rem);
    }
    .nav__list {
        display: flex;
        padding-top: 0;
    }
    .nav__item {
        margin-left: var(--mb-6);
        margin-bottom: 0;
    }
    .nav__toggle {
        display: none;
    }
    .nav__link {
        color: var(--second-color);
    }
    .home {
        height: 100vh;
    }
    .home__data {
        align-self: flex-end;
    }
    .home__social {
        padding-top: 0;
        padding-bottom: 2.5rem;
        flex-direction: row;
        align-self: flex-end;
    }
    .home__social-icon {
        margin-bottom: 0;
        margin-right: var(--mb-4);
    }
    div.home__social a.home__social-icon i.iconfont {
        font-size: 2rem;
    }
    .home__img {
        width: 457px;
        bottom: 15%;
    }
    .home_blob {
        fill: var(--first-color);
        max-width: 457px;
    }

    .home_blob-img {
        width: 150px;
    }
    .about__container,
    .skills__container {
        grid-template-columns: repeat(2, 1fr);
        align-items: center;
        text-align: initial;
    }

    .work__container.mobile {
        display: none;
    }
    .pc.wrapper {
        margin: 0 auto;
        overflow: hidden;
        position: relative;
        width: 700px;
        display: block;
        border-radius: 0.5rem;
        box-shadow: 0 4px 25px rgba(14, 36, 49, 0.15);
    }
    .carousel_list {
        list-style: none;
        transition: 0.5s;
        width: 400%;
        display: flex;
        border-radius: 0.5rem;
    }
    .carousel_list li {
        width: 700px;
    }
    .carousel_list li img {
        width: 100%;

        vertical-align: middle;
    }
    .button_wrap button {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        cursor: pointer;
        box-sizing: border-box;
        padding: 0.5rem 1rem;
        border-radius: 0.5rem;
        color: white;
        border: None;
        box-shadow: 0px 4px 3px rgba(0, 0, 0, 0.11);
        color: white;
    }
    .button-left {
        left: 10px;
    }
    .button-right {
        right: 10px;
    }
    ol {
        list-style: none;
        display: flex;
        position: absolute;
        bottom: 5px;
        left: 50%;
        transform: translateX(-50%);
    }
    ol li {
        width: 10px;
        height: 10px;
        background-color: rgba(0, 0, 0, 0.411);
        margin-right: 5px;
        border-radius: 50%;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
            0 2px 4px -1px rgba(0, 0, 0, 0.06);
        cursor: pointer;
    }
    ol li:last-child {
        margin-right: 0;
    }
    ol li.active {
        background-color: var(--first-color);
    }
}

@media screen and (min-width: 1024px) {
    .bd-grid {
        margin-left: auto;
        margin-right: auto;
    }
    .home__img {
        right: 10%;
    }
}

/* mask */

div.mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
}

div.mask .imgbox {
    max-width: 400px;
    padding: 3rem 0;
    width: 70%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

div.mask .imgbox img {
    width: 70%;
    height: auto;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

div.mask .imgbox .iconfont {
    position: absolute;
    font-size: 1.5rem;
    top: 0.5rem;
    left: 0.5rem;
    cursor: pointer;
    color: var(--first-color);
    transition: 0.4s ease;
}

div.mask .imgbox .iconfont:hover {
    color: var(--first-color-alt);
    transform: rotate(360deg);
}

div.mask.isShow {
    display: none;
}
